Netherlands Obstetric Surveillance System

Eclampsia:

Any woman with convulsion(s) during pregnancy or in the first 10 days postpartum, not attributable to other causes.



Cardiac arrest:

Any pregnant women in the Netherlands identified as receiving basic life support (chest compressions and, where possible, ventilation breaths), including women who have undergone PMCS.

Amniotic fluid embolism:

IN THE ABSENCE OF ANY OTHER CLEAR CAUSE
Either:
Acute maternal collapse with one or more of the following features:

• Acute fetal compromise

• Cardiac arrest

• Cardiac rhythm problems

• Coagulopathy

• Hypotension

• Maternal hemorrhage*

• Premonitory symptoms (restlessness, numbness, agitation, tingling)

• Seizure

• Shortness of breath

* Excluding women with maternal haemorrhage as the first presenting feature in whom there was no evidence of early coagulopathy or cardio-respiratory compromise

Or

Women in whom the diagnosis was made at post-mortem examination with the finding of fetal squames or hair in the lungs

Control group:

For every case of eclampsia, a matching control will be retriewed from the reporting hospital. Controls will be retriewed by using the hospital registrtion of deliveries. Controls a matched only of parity.

Not meeting inclusion criteria.